Home / 1,323,109.16-1,982,381.10-724,501.16

Finding the Fourth Proportional to 1,323,109.16, 1,982,381.10 and 724,501.16

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Solution

The fourth proportional to 1,323,109.16, 1,982,381.10 and 724,501.16 is: 1,085,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,109.16 : 1,982,381.10 = 724,501.16 : x
  2. Step 2: Convert to fraction form
    1,323,109.16/1,982,381.10 = 724,501.16/x
  3. Step 3: Cross multiply
    1,323,109.16x = 1,982,381.10 × 724,501.16
  4. Step 4: Simplify right side
    1,323,109.16x = 1,436,237,406,512.08
  5. Step 5: Solve for x
    x = 1,436,237,406,512.08/1,323,109.16
  6. Step 6: Final answer
    x = 1,085,501.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.